JUXTA M Series for Unified Signals

M Series unified signal converters are plug-in type signal conditioners for common instrumentation signals. They have an I/O signal range of 4 to 20 mA DC or 1 to 5 V DC.


The M Series bring Yokogawa performance and reliability to the popular plug-in style. Using industry standard pin configurations, anyone can upgrade to JUXTA performance by just plugging one in. The M Series signal conditioners for unified signals are applicable to the unified input/output signal applications for cost saving design.

  • For 4 to 20 mA DC or 1 to 5 V DC unified input/output signal applications.
  • Designed for 2000 VAC of high withstand voltage.
  • Two isolated outputs (MA7D and MH7D).
  • Plug-in type construction Easy for instrumentation planning, field wiring and maintenance because of its flexible insertion/extraction and ability to be pre-wired.
Construction Plug-in type (Main unit with Socket)
Mounting Method: Wall mounting or DIN-rail mounting
Connection Method: M3.5 screw terminal
External Dimensions: Model MH7, MA7, MCT7, MPT7: 85×50×123 mm (H×W×D)
Model MH7D, MA7D: 85×50×132 mm (H×W×D)
Power Requirements: 24 V DC±10% , 85 to 132 V AC / 85 to 150 V DC or 170 to 264 V AC


Signal Conditioners

Model Product Name Input Type Output Type Descriptions
MA7 Distributor (Unified Signal Type) 4 to 20 mA DC, from 2-wire type transmitter 1 to 5 V DC or 4 to 20 mA DC  
MA7D Distributor (2-output, Unified Signal Type) Isolated 2 outputs
MCT7 CT Converter(RMS) 0 to 1 A or 0 to 5 A AC 4 to 20 mA DC or 1 to 5 V DC  
MH7 Isolator (Unified Signal Type) 1 to 5 V DC or 4 to 20 mA DC 1 to 5 V DC or 4 to 20 mA DC  
MH7D Dual Outputs Isolator (Unified Signal, 2-output Type) Isolated 2 outputs
MPT7 PT Converter(RMS) 0 to 110 V AC, 0 to 150 V AC or 0 to 300 VAC 4 to 20 mA DC or 1 to 5 V DC  


Do any models support ASTEM correction?

None support it completely, but if you can identify the fuel type you can use an MTX-A user program. When changing the type, change the correction curve.

Can I replace MA1 style A with style C?
Can I change the burnout operation?
Can I change the range on the MQ0?
How do I change settings?
What are the merits of plugin conditioners?
What does response speed **ms(10-90%) mean?
What does "time constant" mean?
What is the output on burnout?
What happens on a "burnout OFF"?
Please provide information about PCB usage.


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